Could you please explain the naqal reading in riwayat imam Hafs?

Question
Assalamualaikum,
Could you please explain the naqal reading in riwayat imam Hafs?

Answer
Wa alaikum assalaam wa rahmatullahi wa barakatuh.
The riwayah of Hafs does not read with  , or transferring the vowel to the saakin before it. 

The riwayah of Warsh especially has , although some other ways of reading have it in a lessor manner. 
To see the lesson on Warsh on , in case that is what was meant, please click on the following link: http://www.abouttajweed.com/warsh/lesson-seven.html